2015-08-13 03:26:22 +03:00
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buccom `$,` %bccm
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2015-02-18 06:03:21 +03:00
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==========================
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Normalizing gate, `%clam`
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`$,` is a synthetic rune that produces a `%leaf`, a normalizing gate or
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[clam]() for `p`. `$,` is used to ensure an input value fits a certain
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type: if it does match, the value is produced. If it doesn't, the
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default value for the desired type is produced.
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Produces
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--------
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[Twig](): `[%bccm p=tile]`
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Sample
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------
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`p` is a [tile]()
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Tall form
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---------
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$, p
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Wide form
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---------
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None
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Irregular form
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--------------
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,p
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Examples
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--------
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++ cord ,@t :: text atom (UTF-8)
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In `++cord`, `,` creates a gate that validates atoms of the odor
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[`@t`]().
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~zod/try=> (,[1 2] "ham")
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[%1 %2]
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~zod/try=> (,[@ 2] "ham")
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[104 %2]
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~zod/try=> (,~ %foo)
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~
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~zod/try=> (,~ [%ba %r])
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~
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~zod/try=> (,$%([%a @] [%b ^]) [%b 5])
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[%b 0 0]
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~zod/try=> (,$%([%a @] [%b ^]) [%a 5])
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[%a 5]
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~zod/try=> (,$%([%a @] [%b ^]) [%a 6 7])
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[%a 0]
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~zod/try=> (,$%([%a @] [%b ^]) [%b ~])
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[%b 0 0]
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~zod/try=> (,$%([%a @] [%b ^]) [%b "ame"])
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[%b 97 [109 101 0]]
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